Question: Which voting round for Marine Le Pen had the most spoilt votes?
Paraphrase: Which voting round provided the most spoilt votes for Marine Le Pen?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q24097670 . ?ent wdt:P5044 ?obj . ?ent wdt:P726 wd:Q12927 } ORDER BY DESC(?obj)LIMIT 5 
Answer: Second round of French presidential election, 2017, First round of French presidential election, 2017